Finding the Fourth Proportional to 68,189.36, 102,326.62 and 26,072.98
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Solution
The fourth proportional to 68,189.36, 102,326.62 and 26,072.98 is: 39,125.75
Step by Step Solution
- Step 1: Write the proportion equation
68,189.36 : 102,326.62 = 26,072.98 : x - Step 2: Convert to fraction form
68,189.36/102,326.62 = 26,072.98/x - Step 3: Cross multiply
68,189.36x = 102,326.62 × 26,072.98 - Step 4: Simplify right side
68,189.36x = 2,667,959,916.73 - Step 5: Solve for x
x = 2,667,959,916.73/68,189.36 - Step 6: Final answer
x = 39,125.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.